31011242244243 has 8 divisors (see below), whose sum is σ = 41471018314128. Its totient is φ = 20612813835264.

The previous prime is 31011242244223. The next prime is 31011242244253. The reversal of 31011242244243 is 34244224211013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31011242244243 - 2³⁸ = 30736364337299 is a prime.

It is a super-2 number, since 2×31011242244243² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31011242244223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15336914046 + ... + 15336916067.

It is an arithmetic number, because the mean of its divisors is an integer number (5183877289266).

Almost surely, 2^{31011242244243} is an apocalyptic number.

31011242244243 is a deficient number, since it is larger than the sum of its proper divisors (10459776069885).

31011242244243 is a wasteful number, since it uses less digits than its factorization.

31011242244243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30673830453.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 31011242244243 its reverse (34244224211013), we get a palindrome (65255466455256).

The spelling of 31011242244243 in words is "thirty-one trillion, eleven billion, two hundred forty-two million, two hundred forty-four thousand, two hundred forty-three".